Sorry if I wasn't clear enough. I'm using series 1 xbee modules. I tried for instance the input with a potentiometer:
and output with PWM:
However both do not communicate, and I would be surprised if they did: on the potentiometer side, the xbee is configured to take an analog input and transmit it. On the receiver side, the module is configured as PWM output, but nowhere is it told based on what this PWM output should be set. So both do not communicate, and I also don't know how to transmit this PWM information from a PC connected to a xbee module.
I'm sorry if this is not clear, I have the impression that I'm missing something big here, so I can't phrase it better...